Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

Panacea,

2759

11kv = LT 440v , how many amp.supose 440v side 5000 amp curent drown

Motwane,

2 5774

what is difference between electrical and electronics

2 4894

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

DNJ Energy LLC, WI,

2342

what are the difference between AC lamp and DC lamp

Apollo,

2096

Please give me a solid reason there are 2 ELCB's If we take Phase from ELCB NO:1 an Netural from ELCB N:2 why ELCB is tripping when we connect the Load?please brief me with detail

3 5126

Can any body describe me why a soft starter is used for 6.6kv induction motor instead of VFD ?

Cairn,

1 4192

What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 3794

Hi.. I am a BE GRaduate in E&E. I have 8.5 Experience in Tendering & Estimation field. I have done SAP SD course few years back. But due to some reason i failed to get job in that field and continued my own field. Now I am thinking of changing into SAP seriously. How should i go ahead???

1953

If OLTC is in manual position there is chance to variation of voltage(Low or High)?

Juniper Networks,

1 2817

in non technical way how can u define POWER FACTOR??

1827

what is the control circuit for operating the clean room air shower

L&T,

2277

draw a dol with the following rtds,stop/start,ct,vt and o/l supply is 6.6kv and the coil is 110v

Anglo Eastern,

1 4487

what is difference between earth and ground?/

Sree Rayalseema Green Energy Limited SRGEL,

3 6108

11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?

BK Gulf,

2001

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Un-Answered Questions { Electrical Engineering }

Name one of major transformer company in KSA ?

1213

What is Bolted fault?

2212

What are the material used for resistor?

1118

I want to know all basics of electrical engineering

1863

What are the basic properties of signal flow graph?

1219

Igfet is a

1640

What is the Designing & Selection Procedure for a DG/Transormer of rated capacity?

2184

Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices

1626

please send me previous year questions of jspl through which i could prepare myself for the test.

1875

if 3400kw slipring motor rotor shorting done and motor started on mv drive ,what will be the rotor shoring current

1718

How can get elongation of 2 k.G aluminium, if elongated aluminium dia is 2.5 mm?

2301

Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

1908

Y phase plates are used in transmission line??? what is there need???

2922

in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer

1809

Why the dc voltage drop during starting of emergency lube oil pump? The Voltage drop from 135kv to 125 kv for one min. before re-establish to 135kv?

2308

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